A steam cabinet temperature control device

Abstract

A steam cabinet temperature control device and method, comprising a steam cabinet body, a temperature measuring component, a steam pipeline and a steam regulating mechanism, wherein the steam cabinet body is used to place food to be heated; the temperature measuring component comprises a first temperature measuring component and a second temperature measuring component, wherein the first temperature measuring component is used to detect the cabinet temperature inside the steam cabinet body, and the second temperature measuring component is used to detect the central temperature of the food inside the steam cabinet body; the steam pipeline is connected to the steam cabinet body, and hot steam is introduced into the steam cabinet body, and the steam regulating mechanism regulates the steam output of the steam pipeline; the steam cabinet body is also provided with an exhaust fan, and the exhaust fan is used to discharge the hot steam inside the steam cabinet body. The cabinet temperature is accurately monitored to realize the control of the heating time and the constant temperature time, and the cabinet temperature can be adjusted in real time according to the temperature monitored by the temperature measuring component through the steam regulating mechanism, and the central temperature of the heated food can also be monitored.

Description

Technical Field

[0001] The invention relates to the field of steaming equipment, and in particular to a temperature control device and a temperature control method for a steaming cabinet. Background Art

[0002] With the continuous development of industrial kitchens, a large number of industrial kitchen equipment has been widely used. It is very suitable for steaming a large number of products and for customers with different requirements for product steaming temperatures.

[0003] The steaming process of conventional products is as follows: after the door of the steamer is closed, hot steam is introduced into the steamer and then controlled.

[0004] Therefore, there is an urgent need in the market to provide a device that can achieve temperature control during the cooking process. Summary of the invention

[0005] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a temperature control device for a cooking process which is safe, stable and reliable.

[0006] Technical solution:

[0007] 1. A steam cabinet temperature control device, characterized in that it comprises a steam cabinet body, a temperature measuring component, a steam pipeline and a steam regulating mechanism, wherein the steam cabinet body is used to place food to be heated;

[0008] The temperature measuring component includes a first temperature measuring component and a second temperature measuring component, the first temperature measuring component is used to detect the temperature inside the steam cabinet body, and the second temperature measuring component is used to detect the food center temperature of the food to be heated in the steam cabinet body;

[0009] The steam pipeline is connected to the steam cabinet body, and hot steam is introduced into the steam cabinet body.

[0010] The steam regulating mechanism regulates the steam output of the steam pipeline;

[0011] The steam cabinet body is also provided with an exhaust fan, which is used to discharge the hot steam in the steam cabinet body;

[0012] It includes a controller, the first temperature measuring component includes a first temperature measuring probe, the second temperature measuring component includes a second temperature measuring probe, the first temperature measuring probe and the second temperature measuring probe are electrically connected to the controller, and the controller is electrically connected to the steam regulating mechanism.

[0013] The steam pipeline is provided with a first air intake pipeline and a second air intake pipeline, the first air intake pipeline and the second air intake pipeline are respectively provided with a pneumatic angle seat valve to control the air intake amount, and the controller is connected with the pneumatic angle seat valve by electrical signals.

[0014] It also includes a third air intake pipeline. The first air intake pipeline, the second air intake pipeline and the third air intake pipeline are respectively provided with a shut-off valve to control the closing or opening of the first air intake pipeline, the second air intake pipeline and the third air intake pipeline.

[0015] The controller is connected to the exhaust fan by electrical signals. The controller controls the exhaust fan to exhaust the hot steam in the steam cabinet body. The exhaust fan is connected to the steam cabinet body through an exhaust pipeline.

[0016] An air outlet pipeline is arranged in the steam cabinet body, and the air outlet pipeline comprises an air inlet joint arranged in the steam cabinet body and a steam air outlet pipe arranged in the steam cabinet body, the steam joint is connected with the steam pipeline, and the steam joint is connected with the steam air outlet pipe.

[0017] The surface of the steam outlet pipe is provided with a plurality of groups of outlet holes, and the plurality of groups of outlet holes are respectively communicated with the accommodating spaces in the steam body.

[0018] The controller includes a processing module and a fan control module connected to the processing module, a pneumatic angle seat valve control module, a temperature monitoring module and a storage module. The fan control module controls the movement of the exhaust fan, the pneumatic angle seat valve control module controls the operation of the pneumatic angle seat valve, and controls the air intake of the steam pipeline. The temperature monitoring module is electrically connected to the first temperature measuring probe and the second temperature measuring probe respectively to collect the cabinet temperature and the food center temperature in the steam cabinet body; the storage module is electrically connected to the processing module to store operating data.

[0019] A temperature control method, wherein food is put into a steaming cabinet body for steaming, a preset cabinet temperature, a preset food center temperature and a preset temperature control time are determined; and the cabinet temperature in the steaming cabinet body or the food center temperature in the steaming cabinet body is controlled to meet the preset temperature control temperature according to the preset temperature control time;

[0020] Or the cabinet temperature or the food center temperature in the steam cabinet body is controlled to meet the preset cabinet temperature and food center temperature and then continue the preset temperature control time.

[0021] The preset cabinet temperature includes: a first temperature measuring component monitoring the actual cabinet temperature in the steam cabinet body;

[0022] Obtain the difference between the actual cabinet temperature and the preset cabinet temperature, and the controller controls the steam pipeline of the steam regulating mechanism to quickly heat up to the preset cabinet temperature.

[0023] According to the time when the preset cabinet temperature is reached, it is determined whether to enter the rapid heating stage. The rapid heating stage is when the controller controls the steam regulating mechanism to open two heating steam pipelines;

[0024] The preset food core temperature includes

[0025] The first temperature measuring component monitors the actual temperature inside the cabinet, and the second temperature measuring component monitors the core temperature of the food.

[0026] Obtain the temperature difference between the actual temperature in the cabinet and the center temperature of the food, determine whether the temperature difference is higher than the set threshold, and determine whether the center temperature of the food reaches the preset center temperature of the food.

[0027] When the food center temperature is lower than the preset food center temperature, the controller controls the steam pipeline of the steam regulating mechanism to keep the cabinet in a constant temperature heating state, and the temperature difference is lower than the set threshold.

[0028] Beneficial effects: A steam cabinet temperature control device comprises a steam cabinet body, a temperature measuring component, a steam pipeline and a steam regulating mechanism, wherein the steam cabinet body is used for placing food to be heated; the temperature measuring component comprises a first temperature measuring component and a second temperature measuring component, the first temperature measuring component is used to detect the cabinet temperature inside the steam cabinet body, and the second temperature measuring component is used to detect the central temperature of the food in the steam cabinet body; the steam pipeline is connected to the steam cabinet body, and hot steam is introduced into the steam cabinet body, and the steam regulating mechanism regulates the steam output of the steam pipeline; the steam cabinet body is also provided with an exhaust fan, and the exhaust fan is used to discharge the hot steam in the steam cabinet body.

[0029] The temperature control device of the present invention can accurately monitor the temperature inside the cabinet, realize the control of the heating time and the constant temperature time, and can adjust the temperature inside the cabinet in real time according to the temperature monitored by the temperature measuring component through the steam regulating mechanism, and can also monitor the central temperature of the heated food. It is very suitable for steaming a variety of foods, such as steaming quick-frozen items such as buns. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the present invention;

[0031] Figure 2 It is a structural schematic diagram of the controller of the present invention;

[0032] Figure 3 It is a control circuit diagram of the temperature measuring component and the steam regulating mechanism of the present invention.

[0033] Figure 4 It is a control circuit diagram of the controller of the present invention. Description of the drawings:

[0035] 1——steam cabinet body, 2——first temperature measuring component, 3——second temperature measuring component, 4——exhaust fan, 5——steam pipeline, 6——pneumatic angle seat valve, 7——stop valve, 8——drain valve, 9——air inlet joint, 10——steam outlet pipe. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] It should be noted that the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0038] See also Figure 1 , Figure 2 , Figure 3 , a steam cabinet temperature control device, comprising a steam cabinet body 1, a temperature measuring component, a steam pipeline 5 and a steam regulating mechanism, wherein the steam cabinet body 1 is used to place food to be heated;

[0039] The temperature measuring component includes a first temperature measuring component 2 and a second temperature measuring component 3, wherein the first temperature measuring component 2 is used to detect the temperature inside the steam cabinet body 1, and the second temperature measuring component 3 is used to detect the food center temperature of the food to be heated inside the steam cabinet body 1;

[0040] The steam pipeline 5 is connected to the steam cabinet body 1, and hot steam is introduced into the steam cabinet body 1.

[0041] The steam regulating mechanism regulates the steam output of the steam pipeline 5;

[0042] The steam cabinet body 1 is further provided with an exhaust fan 4 , and the exhaust fan 4 is used to exhaust the hot steam in the steam cabinet body 1 .

[0043] The temperature measuring component of the present invention can detect the temperature inside the steam cabinet in real time. When the temperature is lower than the set value, the controller controls the steam regulating mechanism to increase the steam delivery to achieve rapid temperature increase in the cabinet. When the temperature reaches the set value, the controller controls the steam regulating mechanism to achieve constant temperature control. When the temperature difference between the second temperature measuring component 3 and the first temperature measuring component 2 exceeds the threshold, the controller controls the steam regulating mechanism to reduce the temperature inside the cabinet. The controller controls the steam regulating mechanism to maintain a constant temperature state to achieve temperature increase in the center of the food. When the temperature detected by the second temperature measuring component 3 reaches the set threshold, the controller continues constant temperature steaming, stewing or ends steaming according to the food category.

[0044] It includes a controller, the first temperature measuring component 2 includes a first temperature measuring probe, the second temperature measuring component 3 includes a second temperature measuring probe, the first temperature measuring probe and the second temperature measuring probe are electrically connected to the controller, and the controller is electrically connected to the steam regulating mechanism.

[0045] The second temperature measuring component 3 also includes a driving mechanism, which drives the second temperature measuring probe to be inserted into the center of the food for temperature measurement. The second temperature measuring probe is designed as a pin with a temperature probe. The driving mechanism drives the pin to move and insert into the center of the food to obtain the center temperature of the food.

[0046] The steam pipeline 5 is provided with a first air intake pipeline and a second air intake pipeline, and the first air intake pipeline and the second air intake pipeline are respectively provided with a pneumatic angle seat valve 6 to control the air intake amount, and the controller is connected with the pneumatic angle seat valve 6 by electrical signals.

[0047] It also includes a third air intake pipeline. The first air intake pipeline, the second air intake pipeline and the third air intake pipeline are respectively provided with a shut-off valve 7 to control the closing or opening of the first air intake pipeline, the second air intake pipeline and the third air intake pipeline.

[0048] The air intake of the steam pipeline 5 can be controlled by shutting off the pneumatic angle seat valve 6, and the temperature in the steam cabinet can be further adjusted. When the temperature is low, the air intake is increased to increase the temperature. Opening two air intake pipelines at the same time can quickly increase the temperature inside the steam cabinet.

[0049] The steam pipeline 5 is also connected to a steam trap for draining condensed water retained in the steam pipeline 5 .

[0050] The controller is connected to the exhaust fan 4 by electrical signals. The controller controls the exhaust fan 4 to exhaust the air in the steam cabinet. The exhaust fan 4 is connected to the steam cabinet body 1 through an exhaust pipeline.

[0051] The exhaust fan 4 can quickly exhaust the hot steam to prevent the hot steam from condensing after steaming to increase the water content around the food and affect the food quality. At the same time, rapid emptying can also conveniently improve work efficiency.

[0052] An air outlet pipeline is arranged in the steam cabinet body 1, and the air outlet pipeline includes an air inlet joint 9 arranged in the steam cabinet body 1 and a steam outlet pipe 10 arranged in the steam cabinet body 1, the steam joint is connected with the steam pipeline 5, and the steam joint is connected with the steam outlet pipe 10.

[0053] The surface of the steam outlet pipe 10 is provided with a plurality of groups of outlet holes, and the plurality of groups of outlet holes are respectively connected with the accommodating spaces in the steam body.

[0054] A temperature control method,

[0055] The food is put into the steaming cabinet for steaming, and the preset cabinet temperature, preset food center temperature, and preset temperature control time are determined; and the cabinet temperature or the food center temperature in the steaming cabinet is controlled to meet the preset temperature control temperature with the preset control time; or the cabinet temperature or the food center temperature in the steaming cabinet is controlled to meet the preset temperature control temperature and then continue for the preset temperature control time.

[0056] The preset cabinet temperature includes: the first temperature measuring component 2 monitors the actual cabinet temperature,

[0057] The difference between the actual cabinet temperature and the preset cabinet temperature is obtained, and the controller controls the steam regulating mechanism steam pipeline 5 to quickly heat up to the set value.

[0058] According to the time when the preset cabinet temperature is reached, it is determined whether to enter the rapid heating stage. The rapid heating stage is that the controller controls the steam regulating mechanism to open the two heating steam pipelines 5;

[0059] The preset food core temperature includes

[0060] The first temperature measuring component 2 monitors the actual temperature in the cabinet, and the second temperature measuring component 3 monitors the center temperature of the food.

[0061] Get the temperature difference between the actual temperature in the cabinet and the center temperature of the food, determine whether the temperature difference is higher than the set threshold, and determine whether the center temperature of the food reaches the preset center temperature of the food.

[0062] When the food center temperature is lower than the preset food center temperature, the controller controls the steam regulating mechanism steam pipeline 5 to keep the cabinet in a constant temperature heating state, and the temperature difference is lower than the set threshold.

[0063] The controller includes a processing module and a fan control module connected to the processing module, a pneumatic angle seat valve 6 control module, a temperature monitoring module and a storage module. The fan control module controls the movement of the exhaust fan 4.

[0064] The pneumatic angle seat valve 6 control module controls the operation of the pneumatic angle seat valve 6 and controls the air intake of the steam pipeline 5;

[0065] The temperature monitoring module is respectively connected to the first temperature measuring probe and the second temperature measuring probe for collecting the temperature inside the steaming cabinet body 1 and the food center temperature;

[0066] The storage module is connected to the processing module by electrical signals and is used to store operation data.

[0067] See also Figure 3 , Figure 4(Working condition 1: Probe 1 sets the cooking temperature, and probe 2 is used for quality inspection sampling and temperature measurement). When the pneumatic button SQ1 is pressed, the normally open contacts of the pneumatic angle seat valve 6YU1 and YU2 coils are energized to close, and the steam cabinet starts cooking by the steam inlet mechanism. At the same time, the steam control time relay starts timing. After the set cooking time is reached, the normally open contacts of the pneumatic angle seat valve 6YU1 and YU2 coils are triggered to disconnect (one can be stopped and one can be opened or opened at the same time, according to the requirements of the heating time. A small one can be opened during the constant temperature time to achieve the purpose of energy saving. When the heating speed is required to be fast, two pneumatic angle seat valves 6 are opened at the same time, that is, two air inlet pipelines are opened (for certain specific products), the steam supply is stopped, and the steam extraction fan coil KA3 is energized to pneumatically extract steam. When the exhaust time is reached, the steam extraction fan stops running, and the product is not pushed out at this time. After a certain period of constant temperature, the original second cooking time and exhaust are repeated to push out the product. Probe 2 can manually measure the center temperature of the product at a fixed time and record product data.

[0068] (Working condition 2: Probe 1 sets the cooking temperature, probe 2 is inserted into the product and set a certain value as the temperature control data point), when the pneumatic button SQ1 is pressed, the normally open contacts of the pneumatic angle seat valve 6YU1 and YU2 coils are electrically closed, and the steam cabinet starts cooking by the steam inlet mechanism. At the same time, the steam control time relay starts timing. When the temperature set by probe 2 is reached, the normally open contacts of the pneumatic angle seat valve 6YU1 and YU2 coils are triggered to disconnect after a certain set cooking time (one can be stopped and one opened, and set according to the heating time requirements. A small one can be opened during the constant temperature time to achieve the purpose of energy saving. When the heating speed is required to be fast, two pneumatic angle seat valves 6 (certain specific products) can be opened at the same time, the steam supply is stopped, and the steam extraction fan coil KA3 is electrically powered to extract steam. When the exhaust time is reached, the steam extraction fan stops running, and the product is not pushed out at this time. After a certain period of constant temperature, the originally set second cooking time and exhaust are repeated to push out the product.

[0069] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A steam cabinet temperature control device, characterized in that: It includes a steam cabinet body, a temperature measuring component, a steam pipeline and a steam regulating mechanism, and the steam cabinet body is used to place food to be heated; The temperature measuring component includes a first temperature measuring component and a second temperature measuring component, the first temperature measuring component is used to detect the temperature inside the steam cabinet body, and the second temperature measuring component is used to detect the food center temperature of the food to be heated in the steam cabinet body; The steam pipeline is connected to the steam cabinet body, and hot steam is introduced into the steam cabinet body. The steam regulating mechanism regulates the steam output of the steam pipeline; The steam cabinet body is also provided with an exhaust fan, which is used to discharge the hot steam in the steam cabinet body; The food is put into the steaming cabinet body for steaming, and a preset cabinet temperature, a preset food center temperature and a preset temperature control time are determined; and the cabinet temperature or the food center temperature in the steaming cabinet body is controlled to meet the preset temperature control temperature according to the preset temperature control time; or controlling the cabinet temperature or the food center temperature in the steam cabinet body to meet the preset cabinet temperature or the preset food center temperature and then continue the preset temperature control time; The preset cabinet temperature includes: a first temperature measuring component monitoring the actual cabinet temperature in the steam cabinet body; Obtain the difference between the actual cabinet temperature and the preset cabinet temperature, and the controller controls the steam pipeline of the steam regulating mechanism to quickly heat up to the preset cabinet temperature. According to the time when the preset cabinet temperature is reached, it is determined whether to enter the rapid heating stage. The rapid heating stage is when the controller controls the steam regulating mechanism to open two heating steam pipelines; The preset food core temperature includes The first temperature measuring component monitors the actual temperature inside the cabinet, and the second temperature measuring component monitors the core temperature of the food. Obtain the temperature difference between the actual temperature in the cabinet and the center temperature of the food, determine whether the temperature difference is higher than the set threshold, and determine whether the center temperature of the food reaches the preset center temperature of the food. When the food center temperature is lower than the preset food center temperature, the controller controls the steam pipeline of the steam regulating mechanism to keep the cabinet in a constant temperature heating state, and the temperature difference is lower than the set threshold.

2. A steam cabinet temperature control device according to claim 1, characterized in that: It includes a controller, the first temperature measuring component includes a first temperature measuring probe, the second temperature measuring component includes a second temperature measuring probe, the first temperature measuring probe and the second temperature measuring probe are electrically connected to the controller, and the controller is electrically connected to the steam regulating mechanism.

3. A steam cabinet temperature control device according to claim 2, characterized in that: The steam pipeline is provided with a first air intake pipeline and a second air intake pipeline, the first air intake pipeline and the second air intake pipeline are respectively provided with a pneumatic angle seat valve to control the air intake amount, and the controller is connected with the pneumatic angle seat valve by electrical signals.

4. A steam cabinet temperature control device according to claim 3, characterized in that: It also includes a third air intake pipeline. The first air intake pipeline, the second air intake pipeline and the third air intake pipeline are respectively provided with a shut-off valve to control the closing or opening of the first air intake pipeline, the second air intake pipeline and the third air intake pipeline.

5. The temperature control device for a steam cabinet according to claim 3, characterized in that: The controller is connected to the exhaust fan by electrical signals. The controller controls the exhaust fan to exhaust the hot steam in the steam cabinet body. The exhaust fan is connected to the steam cabinet body through an exhaust pipeline.

6. A steam cabinet temperature control device according to claim 1, characterized in that: An air outlet pipeline is arranged in the steam cabinet body, and the air outlet pipeline comprises an air inlet joint arranged on the steam cabinet body and a steam air outlet pipe arranged in the steam cabinet body, the steam joint is connected with the steam pipeline, and the steam joint is connected with the steam air outlet pipe.

7. A steam cabinet temperature control device according to claim 6, characterized in that: The surface of the steam outlet pipe is provided with a plurality of groups of outlet holes, and the plurality of groups of outlet holes are respectively communicated with the accommodating spaces in the steam cabinet body.

8. The temperature control device for a steam cabinet according to claim 5, characterized in that: The controller includes a processing module and a fan control module connected to the processing module, a pneumatic angle seat valve control module, a temperature monitoring module and a storage module. The fan control module controls the movement of the exhaust fan, the pneumatic angle seat valve control module controls the operation of the pneumatic angle seat valve, and controls the air intake of the steam pipeline. The temperature monitoring module is electrically connected to the first temperature measuring probe and the second temperature measuring probe respectively to collect the cabinet temperature and the food center temperature in the steam cabinet body; the storage module is electrically connected to the processing module to store operating data.

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